User Edition - the graphical interface utilized by users on a day-to-day basis to generate reports and analyze data.

Discoverer End User Layer (EUL) - metadata layer that shields users from the complexity of the relational database from which Discoverer retrieves data. Conceptually, the EUL resides between the database dictionary (table definitions) and the User Edition.

Discoverer Administrator - tool used to build and maintains the End User Layer.